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humanlog

Read logs from stdin and prints them back to stdout, but prettier.

Using it

On macOS

brew tap humanlogio/homebrew-tap
brew install humanlog

On linux (and macOS)

curl -L "https://humanlog.io/install.sh" | sh

Otherwise

Grab a release!

Example

If you emit logs in JSON or in logfmt, you will enjoy pretty logs when those entries are encountered by humanlog. Unrecognized lines are left unchanged.

$ humanlog < /var/log/logfile.log

2__fish___users_antoine_gocode_src_github_com_humanlogio_humanlog__fish_

Usage

NAME:
   humanlog - reads structured logs from stdin, makes them pretty on stdout!

USAGE:
   humanlog [global options] command [command options] [arguments...]

VERSION:
   0.7.2+48f11b1

AUTHOR:
   Antoine Grondin <[email protected]>

COMMANDS:
   version  Interact with humanlog versions
   help, h  Shows a list of commands or help for one command

GLOBAL OPTIONS:
   --config value                    specify a config file to use, otherwise uses the default one
   --skip value                      keys to skip when parsing a log entry
   --keep value                      keys to keep when parsing a log entry
   --sort-longest                    sort by longest key after having sorted lexicographically
   --skip-unchanged                  skip keys that have the same value than the previous entry
   --truncate                        truncates values that are longer than --truncate-length
   --truncate-length value           truncate values that are longer than this length (default: 15)
   --color value                     specify color mode: auto, on/force, off (default: "auto")
   --light-bg                        use black as the base foreground color (for terminals with light backgrounds)
   --time-format value               output time format, see https://golang.org/pkg/time/ for details (default: "Jan _2 15:04:05")
   --ignore-interrupts, -i           ignore interrupts
   --message-fields value, -m value  Custom JSON fields to search for the log message. (i.e. mssge, data.body.message) [$HUMANLOG_MESSAGE_FIELDS]
   --time-fields value, -t value     Custom JSON fields to search for the log time. (i.e. logtime, data.body.datetime) [$HUMANLOG_TIME_FIELDS]
   --level-fields value, -l value    Custom JSON fields to search for the log level. (i.e. somelevel, data.level) [$HUMANLOG_LEVEL_FIELDS]
   --help, -h                        show help
   --version, -v                     print the version